#!/usr/bin/python
# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
import os

root_dir = os.path.normpath(os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..')))

#using virtualenv's activate_this.py to reorder sys.path
activate_this = os.path.join(root_dir, 'bin', 'activate_this.py')
execfile(activate_this, dict(__file__=activate_this))

import Image
import ImageDraw
from optparse import OptionParser
from ox.image import drawText, wrapText
import sys


static_root = os.path.join(os.path.dirname(__file__), '..', '..', 'static')

def render_icon(frame, timeline, icon):
    icon_width = 256
    icon_height = 256
    icon_image = Image.new('RGBA', (icon_width, icon_height))
    frame_width = icon_width
    frame_ratio = 4 / 3
    frame_height = int(round(frame_width / frame_ratio))
    frame_image = Image.open(frame)
    frame_image_ratio = frame_image.size[0] / frame_image.size[1]
    if frame_ratio < frame_image_ratio:
        frame_image = frame_image.resize((int(frame_height * frame_image_ratio), frame_height), Image.ANTIALIAS)
        left = int((frame_image.size[0] - frame_width) / 2)
        frame_image = frame_image.crop((left, 0, left + frame_width, frame_height))
    else:
        frame_image = frame_image.resize((frame_width, int(frame_width / frame_image_ratio)), Image.ANTIALIAS)
        top = int((frame_image.size[1] - frame_height) / 2)
        frame_image = frame_image.crop((0, top, frame_width, top + frame_height))
    icon_image.paste(frame_image, (0, 0))
    timeline_image = Image.open(timeline)
    timeline_image = timeline_image.resize((icon_width, 64), Image.ANTIALIAS)
    icon_image.paste(timeline_image, (0, icon_height - 64))
    mask_image = Image.open(ox.path.join(static_root, 'png', 'icon.mask.png'))
    mask_image = mask_image.resize((icon_width, icon_height))
    icon_image.putalpha(mask_image)
    icon_image.save(icon)

def main():
    parser = OptionParser()
    parser.add_option('-f', '--frame', dest='frame', help='Poster frame (image file to be read)')
    parser.add_option('-l', '--timeline', dest='timeline', help='Timeline (image file to be read)')
    parser.add_option('-i', '--icon', dest='icon', help='Icon (image file to be written)')
    (options, args) = parser.parse_args()
    if options.icon == None:
        parser.print_help()
        sys.exit()
    render_icon(opt.frame, opt.timeline, opt.icon)

if __name__ == "__main__":
    main()